Screen doesn't lock after timeout when volume control is open (gnome flashback

Bug #1563034 reported by Daniel
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-session (Ubuntu)
New
Undecided
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Bug Description

I'm not so sure what package is the issue here, the package listed is a guess, this also appears to happen with other menus in the panel.
When you have the volume menu open and the screen lock timeout time is reached, the screen will not lock or switch off until the menu is closed.

To reproduce:
1. Log in to a gnome flashback session.
2. in the "brightness and lock" settings, set "turn screen off when inactive for" to something other than "never" (pick the shortest time for quick testing), enable lock and set "lock screen after" to "screen turns off"
3. Click the volume icon on the gnome-panel and change the volume.
4. Leave the volume window open and focussed for the time selected in "turn screen off when inactive for"

Observed behaviour: Screen does not lock after the time selected (but does when the volume menu is closed)

Expected behaviour: Screen should lock regardless of the visibility or focus state of panel icon menus

$ lsb_release -rd
Description: Ubuntu 14.04.4 LTS
Release: 14.04

$ apt-cache policy gnome-panel unity-control-center gnome-session
gnome-panel:
  Installed: 1:3.8.0-1ubuntu12.2
  Candidate: 1:3.8.0-1ubuntu12.2
  Version table:
 *** 1:3.8.0-1ubuntu12.2 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty-updates/universe amd64 Packages
        100 /var/lib/dpkg/status
     1:3.8.0-1ubuntu11 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
unity-control-center:
  Installed: 14.04.3+14.04.20150916-0ubuntu1
  Candidate: 14.04.3+14.04.20150916-0ubuntu1
  Version table:
 *** 14.04.3+14.04.20150916-0ubuntu1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     14.04.3+14.04.20140410-0ubuntu1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
gnome-session:
  Installed: 3.9.90-0ubuntu12.1
  Candidate: 3.9.90-0ubuntu12.1
  Version table:
 *** 3.9.90-0ubuntu12.1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     3.9.90-0ubuntu12 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

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